Fix CI build

Signed-off-by: falkTX <falktx@falktx.com>

Author: falkTX

.github/workflows/build.yml

@@ -5,6 +5,7 @@ on: [push, pull_request]
 env:
   CACHE_VERSION: 2
   DEBIAN_FRONTEND: noninteractive
+  PAWPAW_CI: 1
   PAWPAW_SKIP_LTO: 1
   PAWPAW_SKIP_FFTW: 1
   PAWPAW_SKIP_GLIB: 1
@@ -86,7 +87,7 @@ jobs:
     strategy:
       matrix:
         target: [intel, universal]
-    runs-on: macos-12
+    runs-on: macos-13
     steps:
       - uses: actions/checkout@v4
         with: